Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array

The plasmon resonance behavior in Ag-Au split-ring resonator (SRR) heterogeneous dimer array has been investigated numerically by using the finite difference time domain (FDTD) method. The resonance dips were tuned with the metallic SRR dimer arrays constituted by different metals. For the Ag-Au het...

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Main Authors: Xin Zhou, Shuangchun Wen, Bin Tang, Diwu Yang, Jun He
Format: Article
Language:English
Published: Hindawi Limited 2015-01-01
Series:Journal of Nanomaterials
Online Access:http://dx.doi.org/10.1155/2015/568513
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spelling doaj-7ca0883f454d47398a9b093bf29c72052020-11-24T23:03:49ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292015-01-01201510.1155/2015/568513568513Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer ArrayXin Zhou0Shuangchun Wen1Bin Tang2Diwu Yang3Jun He4Key Laboratory for Micro-Nano-Optoelectronic Devices of Ministry of Education, College of Physics and Microelectronic Science, Hunan University, Changsha 410082, ChinaKey Laboratory for Micro-Nano-Optoelectronic Devices of Ministry of Education, College of Physics and Microelectronic Science, Hunan University, Changsha 410082, ChinaSchool of Mathematics & Physics, Changzhou University, Changzhou 213164, ChinaSchool of Sciences, Hunan University of Technology, Zhuzhou 412008, ChinaSchool of Sciences, Hunan University of Technology, Zhuzhou 412008, ChinaThe plasmon resonance behavior in Ag-Au split-ring resonator (SRR) heterogeneous dimer array has been investigated numerically by using the finite difference time domain (FDTD) method. The resonance dips were tuned with the metallic SRR dimer arrays constituted by different metals. For the Ag-Au heterogeneous SRRs dimer array, with the arms of metallic cross lengths increasing, the resonance dips in the visible region red shifted but the locations of resonance modes in the near-infrared region kept immovability. On the contrary, the locations of resonance dips in the visible region kept immovability but the resonance modes in the near-infrared region red shifted obviously with the air cuts widths decreasing. The whole resonance dips exhibited a red-shift as the environmental dielectric constants increase. The electric and magnetic field distributions of certain resonance wavelengths were also investigated.http://dx.doi.org/10.1155/2015/568513
collection DOAJ
language English
format Article
sources DOAJ
author Xin Zhou
Shuangchun Wen
Bin Tang
Diwu Yang
Jun He
spellingShingle Xin Zhou
Shuangchun Wen
Bin Tang
Diwu Yang
Jun He
Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
Journal of Nanomaterials
author_facet Xin Zhou
Shuangchun Wen
Bin Tang
Diwu Yang
Jun He
author_sort Xin Zhou
title Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
title_short Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
title_full Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
title_fullStr Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
title_full_unstemmed Tunable Plasmon Resonance in Ag-Au Split-Ring Resonator with Inner Metallic Cross Heterogeneous Dimer Array
title_sort tunable plasmon resonance in ag-au split-ring resonator with inner metallic cross heterogeneous dimer array
publisher Hindawi Limited
series Journal of Nanomaterials
issn 1687-4110
1687-4129
publishDate 2015-01-01
description The plasmon resonance behavior in Ag-Au split-ring resonator (SRR) heterogeneous dimer array has been investigated numerically by using the finite difference time domain (FDTD) method. The resonance dips were tuned with the metallic SRR dimer arrays constituted by different metals. For the Ag-Au heterogeneous SRRs dimer array, with the arms of metallic cross lengths increasing, the resonance dips in the visible region red shifted but the locations of resonance modes in the near-infrared region kept immovability. On the contrary, the locations of resonance dips in the visible region kept immovability but the resonance modes in the near-infrared region red shifted obviously with the air cuts widths decreasing. The whole resonance dips exhibited a red-shift as the environmental dielectric constants increase. The electric and magnetic field distributions of certain resonance wavelengths were also investigated.
url http://dx.doi.org/10.1155/2015/568513
work_keys_str_mv AT xinzhou tunableplasmonresonanceinagausplitringresonatorwithinnermetalliccrossheterogeneousdimerarray
AT shuangchunwen tunableplasmonresonanceinagausplitringresonatorwithinnermetalliccrossheterogeneousdimerarray
AT bintang tunableplasmonresonanceinagausplitringresonatorwithinnermetalliccrossheterogeneousdimerarray
AT diwuyang tunableplasmonresonanceinagausplitringresonatorwithinnermetalliccrossheterogeneousdimerarray
AT junhe tunableplasmonresonanceinagausplitringresonatorwithinnermetalliccrossheterogeneousdimerarray
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